DHCPv6 branch merged to HEAD.

1 files changed, 144 insertions, 0 deletions

diff --git a/tests/DHCPv6/020-advertise-mcast.pl b/tests/DHCPv6/020-advertise-mcast.pl
new file mode 100644
index 00000000..b1ee8e6f
--- /dev/null
+++ b/tests/DHCPv6/020-advertise-mcast.pl
@@ -0,0 +1,144 @@
+#! /usr/bin/perl -w
+
+use strict;
+use English;
+use Time::HiRes qw( sleep );
+use Socket;
+use Socket6;
+use IO::Select;
+
+use dhcp_client;
+
+# well-known addresses
+my $All_DHCP_Relay_Agents_and_Servers = "ff02::1:2";
+my $All_DHCP_Servers = "ff05::1:3";
+
+# ports
+my $client_port = 546;
+my $server_port = 547;
+
+# create a new Solicit message
+my $msg = dhcp_client::msg->new($MSG_ADVERTISE);
+
+# add the Client Identifier (required by DOCSIS and RFC 3315)
+$msg->add_option($OPT_CLIENTID, dhcp_client::duid());
+
+# add Elapsed Time, set to 0 on first packet (required by RFC 3315)
+$msg->add_option($OPT_ELAPSED_TIME, "\x00\x00");
+
+# add IA_NA for each interface (required by DOCSIS and RFC 3315)
+# XXX: should this be a single interface only?
+my $iaid = 0;
+foreach my $iface (dhcp_client::iface()) {
+	my $option_data = pack("NNN", ++$iaid, 0, 0);
+	$msg->add_option($OPT_IA_NA, $option_data);
+}
+
+# add Options Request (required by DOCSIS, recommended by RFC 3315)
+my @oro = ( );
+$msg->add_option($OPT_ORO, pack("n*", @oro));
+
+# timeout parameters
+my $IRT = $SOL_TIMEOUT;
+my $MRT = $SOL_MAX_RT;
+my $MRC = 1;	# DOCSIS says 4, RFC 3315 says it SHOULD be 0
+my $MRD = 0;
+
+# sleep a random amount of time between 0 and 1 second, required by RFC 3315
+# XXX: this seems pretty stupid
+sleep(rand($SOL_MAX_DELAY));
+
+my $RT;
+my $count = 0;
+my $mrd_end_time;
+if ($MRD != 0) {
+	$mrd_end_time = time() + $MRD;
+}
+my $reply_msg;
+do {
+	# create our socket, and send our bogus packet
+	socket(SOCK, PF_INET6, SOCK_DGRAM, getprotobyname('udp')) || die;
+	my $addr = inet_pton(AF_INET6, $All_DHCP_Servers);
+	my $packet = $msg->packet();
+	my $send_ret = send(SOCK, $packet, 0, 
+			    pack_sockaddr_in6($server_port, $addr));
+	if (not defined($send_ret)) {
+		printf STDERR 
+			"Error \%d sending DHCPv6 message;\n\%s\n",
+			0+$ERRNO, $ERRNO;
+		exit(1);
+	} elsif ($send_ret != length($packet)) {
+		print STDERR "Unable to send entire DHCPv6 message.\n";
+		exit(1);
+	}
+	$count++;
+
+	my $RAND = rand(0.2) - 0.1;
+	if (defined $RT) {
+		$RT = 2*$RT + $RAND*$RT;
+		if (($RT > $MRT) && ($MRT != 0)) {
+			$RT = $MRT + $RAND*$RT;
+		}
+	} else {
+		$RT = $IRT + $RAND*$IRT;
+	}
+
+	my $rt_end_time = time() + $RT;
+	if (defined($mrd_end_time) && ($mrd_end_time > $rt_end_time)) { 
+		$rt_end_time = $mrd_end_time;
+	}
+
+	for (;;) {
+		my $timeout = $rt_end_time - time();
+		if ($timeout < 0) {
+			last;
+		}
+
+		my @ready = IO::Select->new(\*SOCK)->can_read($timeout);
+
+		if (@ready) {
+			my $reply;
+			my $recv_ret;
+	
+			$recv_ret = recv(SOCK, $reply, 1500, 0);
+			if (not defined $recv_ret) {
+				printf STDERR 
+					"Error \%d receiving DHCPv6 " . 
+						"message;\n\%s\n",
+					0+$ERRNO, $ERRNO;
+				exit(1);
+			}
+
+			$reply_msg = dhcp_client::msg::decode($reply);
+			if (($reply_msg->{msg_type} == $MSG_ADVERTISE) ||
+			    ($reply_msg->{msg_type} == $MSG_REPLY)) {
+			    	last;
+			}
+		}
+	}
+
+} until ($reply_msg || 
+	 (($MRC != 0) && ($count > $MRC)) ||
+	 (defined($mrd_end_time) && ($mrd_end_time > time())));
+
+unless ($reply_msg) {
+	if (($MRC != 0) && ($count >= $MRC)) {
+		print STDERR 
+			"No reply after maximum retransmission count.\n";
+	} else {
+		print STDERR 
+			"No reply after maximum retransmission duration.\n";
+	}
+}
+
+if ($reply_msg && ($reply_msg->{msg_type} == $MSG_REPLY)) {
+	print "Got DHCPv6 Reply message.\n";
+	exit(0);
+}
+
+#$Data::Dumper::Useqq = 1;
+#print Dumper($msg), "\n";
+#print Dumper($msg->packet()), "\n";
+#
+#print "packet length: ", length($msg->packet()), "\n";
+